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Old 02-26-2008, 09:57 PM   #29 (permalink)
DifferentPointofView
Giant Moving Eco-Wall
 
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Join Date: Dec 2007
Location: The Dale, IL (or A-Dale)
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The Jeep! - '95 Jeep Grand Cherokee ZJ Laredo
90 day: 23.75 mpg (US)

The Caliber - '07 Dodge Caliber R/T
90 day: 30.6 mpg (US)

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I'm just thinking that there is something similar to a clutch between the tranny and the engine to keep it from spinning too much, otherwise it would certainly over-rev the motor...
the transmission shifts gears in order to keep engine speed closest to idle. If you notice, go down a very slight hill degrade, but it's enough to speed up the car to around 30-40 before you can't go faster. Start in first at about 10mph, and as you go faster, you'll notice that the rpm's will go up over 1000, and at some point shift. and faster you go the more it will shift, and will downshift when you start slowing down.

NOTE: this is with my tranny. It might not work with other transmissions.
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Yea.. I drive a Jeep and I'm on a fuel economy site, but you just wouldn't understand... "It's a Jeep thing!" *Jeep Wave*

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